Q. No.Light skin touch is sensed by _____ receptors.
1. Pacinian
2. Meissner
3. free nerve endings
4. nociceptor
1. Pacinian
2. Meissner
3. free nerve endings
4. nociceptor
When a patient is given an analgesic his pain:
1. increases
2. decreases
3. remains unaltered
4. first increases than decreases
What type of neurons is found in the olfactory membrane?
1. pseudo-unipolar
2. multipolar
3. unipolar
4. bipolar
The ear ossicle, stapes, transmits vibrations from incus to the:
1. malleus
2. tympanic membrane
3. oval window
4. round window
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In the internal ear, the membranous labyrinth is filled with:
1. cerebrospinal fluid
2. plasma
3. endolymph
4. perilymph
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Reissner's membrane is a thin membrane that separates the scala media from the:
1. oval window
2. scalavestibuli
3. scala tympani
4. round window
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The primary auditory area is located in:
1. medial geniculate body of thalamus
2. midbrain
3. temporal lobe
4. medulla oblongata
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The maculae are the sensory organs in the:
1. cochlear duct
2. saccule
3. semicircular canals
4. semicircular ducts
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The process by which the vertebrate eye changes optical power to maintain a clear image or focus on an object as its distance varies is known as:
1. adaptation
2. accommodation
3. amblyopia
4. visual acquity
The pigment that gets oxidized/bleached/decomposed when exposed to light is:
1. retinol
2. retinoyl ester
3. rhodopsin
4. iodopsin
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